Aim of the study:
The analyses of improper use of the term “water restoration” and “restoration of the water reservoir”, in order to show the errors that should be avoided in the proper description of the processes carried out in the field of water reservoir protection.

Material and methods:
The study bases on the literature review for reports and research results in the field of the restoration of surface water and degraded water reservoirs. The author analyzed improper uses the term “water restoration” and suggested a correct form of the new professional term.

Results and conclusions:
The results of the analysis of selected articles in the field of water reservoir reclamation clearly indicate that authors mistakenly used the phrase lake restoration in their papers. In the scientific and professional literature, the phrase lake remediation is overused despite the recommendations of world-renowned experts from the Committee on Restoration of Aquatic Ecosystems in USA, who presented in their reports the correct definition of the word water restoration.